Research Article
Numerical Analysis of the Anisotropy and Scale Effects on the Strength Characteristics of Defected Rockmass
Table 2
Microproperty calibration results of the FJM.
| Microproperty | Calibration value |
| Minimum radius (mm) | 0.28 | Maximum/minimum radius ratio | 1.6 | Density (g/cm3) | 2570 | Installation gap ratio | 0.3 | Preexisting fracture fraction | 0.05 | Boned element fraction | 0.95 | Number of elements | 3 | Contact modulus (GPa) | 37 | Stiffness ratio | 2.9 | Tensile strength (MPa) | 11.5 | Bonded cohesion strength (MPa) | 75.0 | Frictional coefficient | 0.65 | Friction angle (°) | 20.0 | Linear frictional coefficient | 0.5 |
|
|